package com.muyan.design.interpreter;

public class Test {

    public static void main(String[] args) {

        // 计算9+2-8的值
        int result = new Minus().interpret(
                (
                        new Context(
                                new Plus().interpret(new Context(9, 2)), 8
                        )
                )

        );
        System.out.println(result);
    }
}
